Home / 58,590.38-87,890.13-19,151.48

Finding the Fourth Proportional to 58,590.38, 87,890.13 and 19,151.48

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Solution

The fourth proportional to 58,590.38, 87,890.13 and 19,151.48 is: 28,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590.38 : 87,890.13 = 19,151.48 : x
  2. Step 2: Convert to fraction form
    58,590.38/87,890.13 = 19,151.48/x
  3. Step 3: Cross multiply
    58,590.38x = 87,890.13 × 19,151.48
  4. Step 4: Simplify right side
    58,590.38x = 1,683,226,066.89
  5. Step 5: Solve for x
    x = 1,683,226,066.89/58,590.38
  6. Step 6: Final answer
    x = 28,728.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.